1 package org.eclipse.swt.internal.qt.s60; |
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2 |
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3 import org.eclipse.ercp.swt.mobile.Command; |
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4 import org.eclipse.swt.internal.qt.CommandPresentationStrategy; |
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5 import org.eclipse.swt.internal.qt.CommandUtils; |
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6 import org.eclipse.swt.internal.qt.OS; |
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7 import org.eclipse.swt.internal.qt.CommandArranger.CommandCollection; |
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8 import org.eclipse.swt.widgets.Control; |
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9 import org.eclipse.swt.widgets.Internal_PackageSupport; |
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10 import org.eclipse.swt.widgets.Widget; |
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11 |
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12 public class S60CommandPresentationStrategy extends CommandPresentationStrategy { |
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13 private Command[] positiveKeyCommands; |
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14 private Command negativeKeyCommand; |
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15 private Command defaultCommand; |
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16 |
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17 public S60CommandPresentationStrategy() { |
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18 super(); |
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19 } |
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20 |
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21 protected void dispose() { |
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22 positiveKeyCommands = null; |
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23 negativeKeyCommand = null; |
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24 defaultCommand =null; |
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25 } |
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26 |
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27 |
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28 protected void handleCommandListChange(Command added, Command removed, |
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29 CommandCollection commands) { |
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30 cleanNegativeCommand(); |
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31 cleanPositiveCommands(); |
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32 updateCommandPositions(commands.getCommands(null)); |
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33 placeNegativeCommand(); |
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34 placePositiveCommands(); |
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35 } |
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36 |
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37 protected void handleDefaultCommandChange(Command defaultCommand) { |
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38 this.defaultCommand = defaultCommand; |
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39 cleanPositiveCommands(); |
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40 placePositiveCommands(); |
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41 } |
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42 |
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43 |
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44 protected void handleFocusChange(Control focused, |
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45 CommandCollection oldCommands, CommandCollection commands) { |
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46 |
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47 //Clean-up the existing commands |
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48 cleanPositiveCommands(); |
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49 cleanNegativeCommand(); |
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50 //determine where the commands go |
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51 if( commands != null && commands.getSize()>0 ){ |
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52 Command[] add = commands.getCommands(null); |
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53 updateCommandPositions(add); |
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54 } |
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55 //Place them to their places |
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56 placePositiveCommands(); |
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57 placeNegativeCommand(); |
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58 |
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59 } |
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60 |
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61 private void updateCommandPositions(Command[] commands) { |
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62 positiveKeyCommands = new Command[commands.length]; |
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63 int positiveKeyIndex=0; |
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64 for (int i = 0; i < commands.length; i++) { |
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65 Command cmd = commands[i]; |
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66 if ( cmd.isDefaultCommand()){ |
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67 defaultCommand = cmd; |
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68 continue; |
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69 } |
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70 if( CommandUtils.isNegativeType(cmd.type) ){ |
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71 if (negativeKeyCommand == null || negativeKeyCommand.isDisposed()){ |
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72 negativeKeyCommand = cmd; |
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73 }else |
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74 if( negativeKeyCommand.getPriority() <= cmd.getPriority() ){ |
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75 positiveKeyCommands[positiveKeyIndex] = negativeKeyCommand; |
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76 positiveKeyIndex++; |
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77 negativeKeyCommand = cmd; |
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78 }else{ |
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79 positiveKeyCommands[positiveKeyIndex] = cmd; |
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80 positiveKeyIndex++; |
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81 } |
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82 continue; |
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83 } |
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84 positiveKeyCommands[positiveKeyIndex]=cmd; |
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85 positiveKeyIndex++; |
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86 } |
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87 if ((positiveKeyIndex) < positiveKeyCommands.length ){// needs to shrink |
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88 Command[] rightSized = new Command[positiveKeyIndex]; |
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89 System.arraycopy(positiveKeyCommands, 0, rightSized, 0, rightSized.length); |
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90 positiveKeyCommands = rightSized; |
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91 } |
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92 } |
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93 |
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94 |
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95 private void cleanPositiveCommands() { |
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96 boolean useBar = false; |
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97 if ( (positiveKeyCommands != null && positiveKeyCommands.length >1) || |
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98 (defaultCommand != null && positiveKeyCommands != null) ){ |
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99 useBar = true; |
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100 } |
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101 if (defaultCommand != null && !defaultCommand.isDisposed() |
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102 && !defaultCommand.control.isDisposed()) { |
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103 if (useBar) { |
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104 OS.QWidget_removeAction(defaultCommand.control.getShell() |
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105 .internal_getOwnMenuBar(), topHandle(defaultCommand)); |
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106 } |
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107 else{ |
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108 OS.QWidget_removeAction(topHandle(defaultCommand.control), topHandle(defaultCommand)); |
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109 } |
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110 } |
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111 if (positiveKeyCommands != null) { |
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112 for (int i = 0; i < positiveKeyCommands.length; i++) { |
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113 Command cmd = positiveKeyCommands[i]; |
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114 if (cmd == null || cmd.isDisposed() || cmd.control.isDisposed()){ |
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115 continue; |
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116 } |
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117 int handle = 0; |
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118 if (useBar) { |
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119 handle = cmd.control.getShell().internal_getOwnMenuBar(); |
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120 } else { |
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121 handle = topHandle(positiveKeyCommands[0].control); |
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122 } |
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123 OS.QWidget_removeAction(handle, topHandle(cmd)); |
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124 |
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125 } |
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126 } |
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127 } |
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128 |
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129 private void cleanNegativeCommand() { |
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130 if(negativeKeyCommand != null && !negativeKeyCommand.isDisposed() && !negativeKeyCommand.control.isDisposed() ){ |
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131 OS.QWidget_removeAction(topHandle(negativeKeyCommand.control), topHandle(negativeKeyCommand)); |
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132 } |
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133 } |
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134 |
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135 private void placeNegativeCommand() { |
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136 if(negativeKeyCommand != null ){ |
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137 OS.QWidget_addAction(Internal_PackageSupport.topHandle(negativeKeyCommand.control), |
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138 topHandle(negativeKeyCommand)); |
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139 } |
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140 } |
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141 |
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142 private void placePositiveCommands() { |
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143 if (defaultCommand != null ) { |
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144 int defaultCmdHandle = topHandle(defaultCommand); |
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145 if (positiveKeyCommands != null) { |
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146 OS.QMenuBar_addAction(defaultCommand.control.getShell() |
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147 .internal_getOwnMenuBar(), defaultCmdHandle); |
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148 } else { |
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149 OS.QWidget_addAction(Internal_PackageSupport |
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150 .topHandle(defaultCommand.control), defaultCmdHandle); |
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151 } |
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152 } |
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153 if (positiveKeyCommands != null) { |
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154 if (positiveKeyCommands.length == 1 && defaultCommand == null) { |
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155 OS.QWidget_addAction(Internal_PackageSupport |
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156 .topHandle(positiveKeyCommands[0].control), |
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157 topHandle(positiveKeyCommands[0])); |
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158 } else { |
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159 CommandUtils.sort(positiveKeyCommands); |
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160 for (int i = 0; i < positiveKeyCommands.length; i++) { |
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161 OS.QMenuBar_addAction(positiveKeyCommands[i].control |
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162 .getShell().internal_getOwnMenuBar(), |
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163 topHandle(positiveKeyCommands[i])); |
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164 } |
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165 } |
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166 } |
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167 } |
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168 |
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169 protected void handleMenuBarChanged(int newMenuBar, |
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170 CommandCollection commands) { |
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171 placePositiveCommands(); |
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172 } |
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173 |
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174 |
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175 private static final int topHandle(Widget w) { |
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176 return Internal_PackageSupport.topHandle(w); |
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177 } |
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178 } |
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